| Document and Entity Information | Feb. 08, 2022 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001847590 |
| Document Type | 8-K |
| Document Period End Date | Feb. 8, 2022 |
| Entity Registrant Name | Bowman Consulting Group Ltd. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-40371 |
| Entity Tax Identification Number | 54-1762351 |
| Entity Address, Address Line One | 12355 Sunrise Valley Drive |
| Entity Address, Address Line Two | Suite 520 |
| Entity Address, City or Town | Reston |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 20191 |
| City Area Code | (703) |
| Local Phone Number | 464-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common stock, par value $0.01 per share |
| Trading Symbol | BWMN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
